\chapter{Frequently Asked Questions}
\begin{description}
\item[Question for installing]\textbf{\begin{Large}?\end{Large}}\\\textit{Answer.}\vspace{1cm}
\item[Question for spectrum panel]\textbf{\begin{Large}?\end{Large}}\\\textit{Answer.}\vspace{1cm}
\item[Question for out of memory exception]\textbf{\begin{Large}?\end{Large}}\\\textit{Answer.}\vspace{1cm}
\end{description}
